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US 6,742,785 B1Granted
Clamping device, in particular for thin-walled hollow parts
AssigneeHainbuch GmbH Spannende Technik
InventorHans-Michael Weller
Life of this patent
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Abstract
The invention concerns a clamping device comprising a tensioning spindle whereof one end has a first axially fixed support surface and whereof the other end has a second axially mobile support surface and mobile relative to the first support surface through a clamping element. Between the two support surfaces on the tensioning spindle are one or several elastomer adapter sleeves.
Claims24
A clamping device for clamping a part, comprising:
- a clamping spindle;
- and
- at least one clamping sleeve,
- wherein said clamping spindle comprises:
- coupling elements for coupling said clamping spindle to a main spindle of a machine tool;
- a first supporting face at one end which is aligned axially and faces the other end of the clamping spindle and which is arranged on the clamping spindle such that it cannot be axially displaced;
- a clamping element axially displaceably arranged on the clamping spindle at the other end;
- and
- a second supporting face which is aligned axially and faces the one end and which is arranged on the clamping element,
- wherein said at least one clamping sleeve is produced from an elastomer,
- wherein said at least one clamping sleeve has end faces that are matched to the first supporting face and to the second supporting face,
- wherein said at least one clamping sleeve has a plurality of supporting strips on its outer side,
- wherein said plurality of supporting strips are produced from a metallic material, are permanently connected to the clamping sleeve, are arranged distributed uniformly on a circumference of the clamping sleeve, and whose outer side forms a cylinder surface section which is matched to an inner diameter of the part.
10 more elements
A clamping device for clamping a part, comprising:
- an at least partly hollow base body;
- and
- at least one clamping sleeve,
- wherein said base body comprises:
- coupling elements for coupling said base body to a main spindle of a machine tool;
- a first supporting face at one end of an inner space of the base body which is aligned axially and faces the other end of the base body and which is arranged on the base body (42) so as to be nondisplaceable axially;
- a clamping element axially displaceably arranged on the base body at the other end;
- a second supporting face at the other end of the inner space of the base body which is aligned axially and faces the one end and which is arranged on the clamping element,
- wherein said at least one clamping sleeve is produced from an elastomer,
- wherein said at least one clamping sleeve has end faces that are matched to the first supporting face and to the second supporting face on the base body,
- wherein said at least one clamping sleeve has a plurality of supporting strips on its inner side,
- wherein said plurality of supporting strips are produced from a metallic material, are permanently connected to the clamping sleeve, are arranged distributed uniformly on a circumference of the clamping sleeve, and whose inner side forms a cylinder surface section which is matched to an outer diameter of the part.
9 more elements
Dependencies are inferred from the claim text.